江苏恒力公司两项新产品通过专家评审
发布时间： 2013-09-22 作者：常靖宇 编辑:刘博 来源： 靖江网
摘要： 靖江市科技局主持召开江苏恒力制动器制造有限公司“24.5英寸气压盘式制动器、气压鼓式制动器（直径480mm）”新产品评审会。经过与会专家认真评议，两项新产品顺利通过评审。
近日，靖江市科技局主持召开江苏恒力制动器制造有限公司“24.5英寸气压盘式制动器、气压鼓式制动器（直径480mm）”新产品评审会。经过与会专家认真评议，两项新产品顺利通过评审。
恒力制动器制造公司从2011年6月起开始研发应用于空载13吨、满载18吨的客车匹配的24.5英寸气压盘式制动器、气压鼓式制动器（直径480mm）。
近日，两项新产品研发成功后通过了主机厂各种车型的道路试验，结果表明能够满足不同车型对制动性能的要求，提高了整车的制动可靠性和稳定性，具有结构紧
凑、重量轻、制动稳定性好、安全性高等优点。此次评审会邀请了国家汽车零部件委员会、国家汽车质量监督检验中心、公安部道路交通安全研究中心等制动器行业
相关专家组成评审委员会。专家们认真听取了新产品研制的相关报告。经讨论，专家组成员认为恒力公司两项新产品各项性能指标满足大型客车和重型载货车的制动
性能要求，一致同意通过评审。专家还建议恒力公司尽快形成规模生产，扩大产品的市场占有率。
评审委员会主任、国家汽车零部件委员会副主任陈世平介绍，目前国内制动器生产企业批量生产的最大制动器尺寸为22.5英寸，和国际上商用车的制动器标准仍有差距。恒力公司在国内率先成功开发的制动器新产品尺寸扩大为24.5英寸，能明显改善制动效果，填补了国内空白。
Tags：
get(tagStr) failed on instance of com.yeesoft.b2b.entity.News
The problematic instruction:
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==> if-else [on line 49, column 7 in news/show.html]
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Java backtrace for programmers:
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freemarker.template.TemplateModelException: get(tagStr) failed on instance of com.yeesoft.b2b.entity.News
at freemarker.ext.beans.BeanModel.get(BeanModel.java:223)
at freemarker.core.Dot._getAsTemplateModel(Dot.java:76)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.BuiltIn$has_contentBI._getAsTemplateModel(BuiltIn.java:666)
at freemarker.core.BuiltIn$has_contentBI.isTrue(BuiltIn.java:678)
at freemarker.core.IfBlock.accept(IfBlock.java:80)
at freemarker.core.Environment.visit(Environment.java:209)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:209)
at freemarker.core.Environment.process(Environment.java:189)
at freemarker.template.Template.process(Template.java:237)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:366)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:283)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:233)
at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:262)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1180)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:950)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor589.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:840)
at freemarker.ext.beans.BeanModel.invokeThroughDescriptor(BeanModel.java:276)
at freemarker.ext.beans.BeanModel.get(BeanModel.java:183)
... 46 more
Caused by: java.lang.NullPointerException
at com.yeesoft.b2b.entity.News.getTagStr(News.java:57)
... 52 more
